question_answer

An electron beam is accelerated by a potential difference V to hit a metallic target to produce X-rays. It produces continuous as well as characteristic X-rays. If\[{{\lambda }_{\min }}\] is the smallest possible wavelength of X-ray in the spectrum, the variation of \[\log {{\lambda }_{\min }}\] with log V is correctly represented in:  [JEE Main 2017]

A)  

B)

C)  

D)

Correct Answer: C

Solution :

[c]

It is a straight line with –ve slope.